at Microsoft.Rtc.Internal.Tools.Bootstrapper.Dependencies.PowerShellProvider.HandlePowerShellErrors(Collection`1 errors) at Microsoft.Rtc.Internal.Tools.Bootstrapper.Dependencies.PowerShellProvider.RunCmdlet(String cmdlet)

You’ve confirmed that all the services are started:

Solution

To determine why this error is thrown during the setup process, execute the cmdlet Enable-CSComputer: